Repair services, namely consolidation of grounds and foundations by sealing fissures in fractured ground and consolidation of grounds using cobblestones, sand, gravel, clay and silt; installation services, namely injection of resins to consolidate grounds and foundations by sealing fissures in fractured ground; ground consolidation; drilling; ground injection; security system installation, namely in the buildings; installation of security and safety equipment in the buildings; consultancy and...